Mac Chromium style checker cleanup

chrome/browser/ui/cocoa/extensions/browser_actions_controller.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "browser_actions_controller.h"
 
 #include <cmath>
 #include <string>
 
 #include "base/prefs/pref_service.h"
@@ skipping 170 matching lines @@
                                  Browser* browser)
     : owner_(owner), browser_(browser) {
     registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_HOST_VIEW_SHOULD_CLOSE,
                    content::Source<Profile>(browser->profile()));
     registrar_.Add(this,
                    chrome::NOTIFICATION_EXTENSION_COMMAND_BROWSER_ACTION_MAC,
                    content::Source<Profile>(browser->profile()));
   }
 
   // Overridden from content::NotificationObserver.
-  void Observe(int type,
-               const content::NotificationSource& source,
-               const content::NotificationDetails& details) {
+  virtual void Observe(
+      int type,
+      const content::NotificationSource& source,
+      const content::NotificationDetails& details) OVERRIDE {
     switch (type) {
       case chrome::NOTIFICATION_EXTENSION_HOST_VIEW_SHOULD_CLOSE: {
         ExtensionPopupController* popup = [ExtensionPopupController popup];
         if (popup && ![popup isClosing])
           [popup close];
 
         break;
       }
       case chrome::NOTIFICATION_EXTENSION_COMMAND_BROWSER_ACTION_MAC: {
         std::pair<const std::string, gfx::NativeWindow>* payload =
@@ skipping 15 matching lines @@
         if (button)
           [owner_ browserActionClicked:button];
         break;
       }
       default:
         NOTREACHED() << L"Unexpected notification";
     }
   }
 
   // ExtensionToolbarModel::Observer implementation.
-  void BrowserActionAdded(const Extension* extension, int index) {
+  virtual void BrowserActionAdded(
+      const Extension* extension,
+      int index) OVERRIDE {
     [owner_ createActionButtonForExtension:extension withIndex:index];
     [owner_ resizeContainerAndAnimate:NO];
   }
 
-  void BrowserActionRemoved(const Extension* extension) {
+  virtual void BrowserActionRemoved(const Extension* extension) OVERRIDE {
     [owner_ removeActionButtonForExtension:extension];
     [owner_ resizeContainerAndAnimate:NO];
   }
 
  private:
   // The object we need to inform when we get a notification. Weak. Owns us.
   BrowserActionsController* owner_;
 
   // The browser we listen for events from. Weak.
   Browser* browser_;
@@ skipping 629 matching lines @@
   const extensions::ExtensionList& toolbar_items =
       toolbarModel_->toolbar_items();
   if (index < toolbar_items.size()) {
     const Extension* extension = toolbar_items[index];
     return [buttons_ objectForKey:base::SysUTF8ToNSString(extension->id())];
   }
   return nil;
 }
 
 @end